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浓缩机是我公司进行尾矿处理的户外大型主体设备， 肩负着尾矿浓缩与提供合格循环水的重任，它的运行正常与否将直接影响磨选的正常生产。然而，我公司在最初５年的试生产当中，曾发生过数次因浓缩机供电缺相而导致的浓缩机压耙事故，究其原因是：（１）浓缩机岗位值班室内设有
Thickener is the large-scale outdoor equipment for tailings treatment of mine, which is responsible for concentrating tailings and providing qualified circulating water. Whether its operation is normal or not will directly affect the normal production of milling. However, my company in the first five years of trial production, there have been several times due to thickener power supply phase loss caused by thickener pressure rake accident, the reason is: (1) Thickener duty room equipped with